“I think the teacher is wrong, _____?” ——“No, I don’t think so.”

s been out of work for two years, so he has difficulty______.

ou turn off the lights before youleft the computer room —- Oh, I forget _______ themoff I’ll go to do it

Was it the belief _____

The whole Chinese people will never forget the day, May 12th, 2008, _______ the strong earthquake happened in Wenchuan.